Why Can Waiting Too Long Cause Problems?
Some ceramic coatings have a faster flashing speed, especially under:
✔ High temperature conditions
✔ Good airflow environments
✔ Thin and even application layers
If the coating passes the ideal flashing stage, the residue may become more difficult to level.
Possible results include:
Uneven gloss
High spots
Coating residue
Additional correction work
What Should Professional Detailers Consider?
Instead of relying only on the Rainbow Effect, professional installers should consider:
✔ Product-specific flash time
✔ Temperature and humidity
✔ Coating thickness
✔ Surface condition
✔ Recommended application method
The flashing stage can be different from one coating product to another.
Professional Tip
The Rainbow Effect (Rainbowing) can be a helpful visual reference, but professional coating installation should be based on understanding the product behavior.
The best results come from:
Correct Product Knowledge + Proper Technique + Suitable Environment
Some coatings require waiting for a visible flashing stage, while fast-flashing coatings may need earlier leveling.
Understanding the coating behavior is the key to achieving a smooth, glossy, and professional finish.
Ceramic coating application is a balance between timing and technique.